The diagonal BD of parallelogram ABCD is 18 cm. The perimeter of this parallelogram is 64 cm. Find the perimeter of the BCD.
| November 29, 2020 | education
1. According to the properties of steam-mA, its opposite sides are equal. AB = СD, BC = AD.
2. Triangles awd and vd are equal in 3 features (on three sides)
3. Equal triangles have equal perimeter. Those are the required perimeter = 64: 2 = 32cm.
Answer: 32
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